<?phpabstract class PageDelegate{        public function __construct()    {    }        public function initLayout()    {    }        public function renderLayout()    {    }        public function renderAnalytics()    {    }        public function authenticate($username, $password)    {        return false;    }        public function getServicesSection()    {        return 'services';    }        public function handleService($action, $params)    {    }    }?>